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TSD Diagnostics: Notes

The TSD has an on-board diagnostics capability to allow the functionality of the following to tested:

NOTE: Fault codes can also be retrieved using T4.
NOTE: The navigation computer also has an on-board diagnostic mode which is accessible using the TSD. Refer to NAVIGATION SYSTEM for details.

Use the following procedure to get access to the diagnostic screens.

  1. Insert the vehicle key in the ignition switch and turn to the ignition position II.
  2. Once the 'CAUTION' screen has been displayed, press the 'AGREE' virtual button in the bottom right hand corner of the TSD. The 'Home Menu' will be displayed.
  3. In a central position at the top of the TSD, press the screen and hold for 5 seconds, then release and press and hold the navigation physical button for 5 seconds and release. A 'Diag PIN Entry' box will appear.
  4. In the 'Diag PIN Entry' box, enter the diagnostic PIN entry code of '753' and press the 'OK' icon on the TSD. A 'Diagnostics Menu' screen will appear.
  5. The following selections can be made from the 'Diagnostics Menu' screen.
    • Hard Key Test (physical buttons)
    • Touch Switch Test (virtual icons)
    • Vehicle signals
    • Video Inputs Test
    • RGB Color Test
    • Self Test
    • Configurations
    • Vehicle Configurations
    • MOST Test
  6. Once a screen display is complete, you can return to the previous menu screen by pressing the return icon in the top right hand corner of the TSD.
  7. Hard Key Test This screen displays a 'Hard Key Test Form' screen. The hard key test verifies the correct function of each of the physical buttons which surround the TSD. Pressing each button in turn will turn the applicable icon in the TSD green if the button is functioning correctly.
  8. Touch Switch TestThis screen displays the 'Touch Switch Test' screen which gives two selections; 'Start Calibration' and 'Touch Switch Check'.
    • The 'Start Calibration' screen allows re-calibration of the screen. The touch screen co-ordinates can be aligned by pressing a series of on screen targets. To return to the 'Touch Switch Test' screen, press the 'Navigation' physical button.
    • The 'Touch Switch Check' screen displays a blank screen. Touching the screen will display a series of co-ordinates for the area of the screen which has been touched. This can be used to check if an area of the screen has a fault.
  9. Vehicle Signals The vehicle signals screen displays inputs from other vehicle systems. The screen shows the 'real time' parameters and status of the following:
    • Battery voltage
    • Lights (on/off)
    • Ambient light sensor voltage
    • Backlight dimming duty (PWM %)
    • Graphic illumination dimming duty (PWM %)
    • Output audio allocation (AM/FM tuner, CD, Navigation, DVD, TV)
    • PCB Temperature
    • Speed inhibit (overspeed) (on/off)
    • MOST FOT temperature (°C)
    • Parking position (Park brake on/off)
    • Backlight PWM duty
    • Beep volume
    • Beep tone.
  10. Video Inputs Test The video inputs test screen allows the video inputs from the Venture Cam, Rear View Camera and the TV/DVD to be tested.
    • Pressing the 'Companion Camera' icon enables the Venture Cam display. The Venture Cam must be removed from its docking station and switched on. The display can be switched between PAL and NTSC and also in two widescreen formats and a normal view.
    • Pressing the 'Rear View Camera' icon enables the rear view camera display. The display can be switched between PAL and NTSC and also in two widescreen formats and a normal view.
    • Pressing the 'TV/DVD' icon enables the display from the TV tuner or the DVD player. The display can be switched between PAL and NTSC and also in two widescreen formats and a normal view.
  11. RGB Color Test The RGB color test form screen allows the TSD color outputs to be tested. By pressing each color in turn, the whole screen is displayed in that color and the whole screen area can be checked for uniform color display. Pressing the screen a second time returns to the RGB color test form screen.
  12. Self Test The 'Self Test' screen displays the current ignition switch position, the battery output voltage and the diagnostic session. After a few seconds, the display will show any existing fault conditions in the form of a diagnostic trouble code and a brief description.
  13. Configurations The 'Configurations' screen allows the data for the TSD and also the Navigation Computer to be displayed. The display can be switched between the TSD and the Navigation computer by pressing the icon in the top left hand corner of the screen, which displays either 'Show MMM Information' (navigation computer) or 'Show HLDF Information' (TSD). Each screen shows the following information:
    • Vehicle Type
    • Serial Number
    • Part Number / Parts Level
    • Land Rover Software Version
    • MOST SWDL Block Size
    • Main CPU Software/Bootloader Versions
    • Main CPU Application Version
    • Sub CPU Software Version
    • Private CAN Database Version
  14. Vehicle Configurations The 'Vehicle Configurations' screen has four separate screens which show information for each of the audio/navigation system components. Each screen can be displayed by pressing the 'Next' icon in the bottom right hand corner of the screen. A previous screen can be displayed by pressing the 'Prev.' icon adjacent to the 'Next' icon.
  15. MOST Test The 'Most Test Form' screen shows the information being passed on the MOST ring for each driver input. For example, when the screen is displayed, adjusting the volume control using the TSD rotary control or the steering wheel switches will show the MOST ring signals being transmitted. This can be repeated for each function to establish that the driver request is being transmitted on the MOST ring.
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